Ribbon Communications Inc. (RBBN)

Last Closing Price: 2.83 (2026-06-05)

Implied Volatility (Calls) (90-Day)

Implied Volatility (Calls): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money call options with the relevant expiration date.

Ribbon Communications Inc. (RBBN) had 90-Day Implied Volatility (Calls) of 0.9816 for 2026-06-05.